It's about one-three-hundred-fifty-thousandth as long as The Great Wall of China (total).

In other words, 25 meters is 0.00000282 times the length of The Great Wall of China (total), and the length of The Great Wall of China (total) is 355,000 times that amount.

(长城, 長城, Chángchéng, a.k.a. 万里长城, 萬里長城, Wànlǐ Chángchéng) (a.k.a. "The long wall of 10,000 Li") (from Shanhaiguan through Lop Nur, China) (total length, all branches)The Great Wall of China, including all branches and trenches, is 8,850,000 meters. Built and maintained in multiple sections over about eleven centuries, the Great Wall is currently suffering the effects of erosion, especially in the older sections made primarily out of mud.

In other words, 25 meters is 13,300,000 times the length of a Mitochondrion, and the length of a Mitochondrion is 0.0000000752 times that amount.

(Eukaryotic; average)A mitochondrion measures between 0.75 and 3 micrometers (Âµm). The mitochondrion is commonly referred to as the powerhouse of the cell, responsible for the generation of ATP. The size, shape, and distribution of mitochondria varies widely, with human liver cells each having 1,000 to 2,000 mitochondria.

It's about 0.00000007 times as long as The Distance from Earth to the Moon.

In other words, 25 meters is 0.00000006503025 times the length of The Distance from Earth to the Moon, and the length of The Distance from Earth to the Moon is 15,377,460 times that amount.

(a.k.a. Luna) (median of semi-major axis, or apigee, and semi-minor axes, or perigee)
The orbit of the Moon around the Earth is elliptical, with an average distance of 384,436,500 meters from center-to-center. About 428.376 kg of moon rock have been cataloged on the Earth, from the American Apollo and Soviet Luna Programs, and from samples that have been extracted from meteorites.